常见问题

不会。每个工具都完全在你的浏览器中运行，你的文档从不离开你的电脑。

没有人为限制。由于全部在本地处理，超大文件仅受你设备内存的限制。

绝不。所有工具的输出都是干净的 PDF，不添加任何内容，且完全免费。

无需注册、无需邮箱、无需付费。打开工具即可使用。

Yes. Every tool is free, with no hidden fees, no trial that expires, and no paid tier locked behind a paywall. There is nothing to buy and nothing to upgrade. You can use all six tools as often as you like.

No. Everything runs inside your web browser, so there is nothing to download, install, or update. No app, no extension, no desktop software. Just open the tool you need and start working right away on any device.

Yes, once the page has loaded. Because the tools run on your device instead of a server, you can keep working after you go offline. A connection is only needed the first time, to load the page.

They are gone. Your files stay in your browser's memory only while you work, and are never saved to a server. When you close the tab, that memory clears and nothing is left behind. Save any results you want to keep before closing.

Yes. Because your files are processed on your own device and never uploaded, sensitive documents like tax forms, IDs, and contracts stay with you. There is no server copy to intercept, leak, or store. It is as private as editing a file offline.

The tools work with PDF files across Combine, Split, Compress, Rotate, and Organize. The Convert tool also handles images: turn JPG photos into a PDF, or export PDF pages back out as JPG images.

Any modern browser, on desktop, laptop, tablet, or phone. Because there is no app to install, the same tools work across Windows, Mac, Linux, Android, and iOS. Larger files simply depend on how much memory your device has.

Most PDF websites send your file to their servers to process it, then send it back. Here, the work happens inside your browser, so the file never leaves your device. You get the same result, without the upload, the wait, or a server copy.

No — not your document contents. Because they're processed in your browser and never uploaded, their contents are never sold, shared, or even seen by us or anyone else, including advertisers. We do collect limited, content-blind analytics, and, if advertising is active, share ad-related data with Google — both explained fully in our Privacy Policy.

Use the Compress tool. It reduces a PDF's file size so it fits under common email attachment limits, with Light, Recommended, and Strong levels to balance size against quality. Scanned and photo-heavy PDFs usually shrink the most.